Added Insects

by Carl Strang

It’s fun to discover new things, and at Mayslake Forest Preserve I continue to add new species of insects or plants almost daily in the summer. This week the most recent added insect was the question mark butterfly.

This species is named for the tiny silvery markings on the hind wings.

Last week this moth appeared, and I’ve seen another since.

The yellow-collared scape moth is a smaller relative of the similar looking Virginia ctenucha.

An abundant visitor of flowers in the stream corridor prairie this summer has been the great black wasp.

This solitary species digs tunnels, where it places katydids and grasshoppers for its young to eat.

A final new species remains to be identified.

One of the biggest weevils I’ve ever seen, this interesting looking insect turned up in one of the kids’ sweep nets on Take Your Kids to Work Day.

Of course, it’s also enjoyable to see familiar insects.

The wild indigo dusky wing is one of our more common skippers. I have seen them hanging around wild indigo plants at Mayslake, but their caterpillars also feed on other legumes.

Lately I’ve been seeing scattered slender spreadwings.

The pale vein at the tip of the wing, as well as the dark abdomen tip on this male, are distinguishing features.

Two bluets appeared to be large enough, and matching the correct color pattern, to identify as familiar bluets. First was a male.

The violet color seemed odd.

Later a female appeared.

She was feeding on another damselfly, which appeared to be a newly emerged forktail.

I owe thanks to Linda Padera, who accompanied me on a lunch break walk and spotted some of these insects.

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